6" Burrell Devonshire Cylinder

Click for larger imageThe pattern is in three halves split horizontally (like the full size one is) and there are 9 cores in total.
All the steam ways are cast in, including the regulator, leaving minimal machining for the builder.
A test cylinder was cast in aluminium and sectioned in order to check exact position of passageways and
concludes with the first iron cylinder being machined.